55551720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1675

約数の個数: 128

約数和(自身を含む): 195229440

約数和(自身を除く): 139677720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1613, 1640, 1722, 2296, 2460, 2870, 3226, 3444, 4305, 4839, 4920, 5740, 6452, 6888, 8065, 8610, 9678, 11291, 11480, 12904, 16130, 17220, 19356, 22582, 24195, 32260, 33873, 34440, 38712, 45164, 48390, 56455, 64520, 66133, 67746, 90328, 96780, 112910, 132266, 135492, 169365, 193560, 198399, 225820, 264532, 270984, 330665, 338730, 396798, 451640, 462931, 529064, 661330, 677460, 793596, 925862, 991995, 1322660, 1354920, 1388793, 1587192, 1851724, 1983990, 2314655, 2645320, 2777586, 3703448, 3967980, 4629310, 5555172, 6943965, 7935960, 9258620, 11110344, 13887930, 18517240, 27775860, 55551720]

約数ペア:

[(1, 55551720), (2, 27775860), (3, 18517240), (4, 13887930), (5, 11110344), (6, 9258620), (7, 7935960), (8, 6943965), (10, 5555172), (12, 4629310), (14, 3967980), (15, 3703448), (20, 2777586), (21, 2645320), (24, 2314655), (28, 1983990), (30, 1851724), (35, 1587192), (40, 1388793), (41, 1354920), (42, 1322660), (56, 991995), (60, 925862), (70, 793596), (82, 677460), (84, 661330), (105, 529064), (120, 462931), (123, 451640), (140, 396798), (164, 338730), (168, 330665), (205, 270984), (210, 264532), (246, 225820), (280, 198399), (287, 193560), (328, 169365), (410, 135492), (420, 132266), (492, 112910), (574, 96780), (615, 90328), (820, 67746), (840, 66133), (861, 64520), (984, 56455), (1148, 48390), (1230, 45164), (1435, 38712), (1613, 34440), (1640, 33873), (1722, 32260), (2296, 24195), (2460, 22582), (2870, 19356), (3226, 17220), (3444, 16130), (4305, 12904), (4839, 11480), (4920, 11291), (5740, 9678), (6452, 8610), (6888, 8065)]